225% is the change from 24 to 78
Calculation steps:
[( 78 - 24 ) ÷ 24] x 100 = 225%
Formula
Percentage change = [(78 - 24) / 24] x 100
Subtract the new number by the original number
78 - 24 = 54
54 ÷ 24 = 2.25
2.25 x 100 = 225%
Example